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Reciprocating compressor S20-56Y

Producer:
Frascold
Line: S
  • Cooling capacity [kW]:
    27.29
  • Displacement [m³/h]:
    56.0
  • Refrigerant:
    R22, R134a, R404A, R407A, R407C, R407F, R448A, R449A, R450A, R452A, R507, R513A
  • Capacity control:
    None, Step (option), Inverter (option)
  • Power supply:
    400V/3Ph/50Hz
Ask about product

Data

Technical data

Displacement
[m³/h]
56.0
Cylinders quantity
4
Oil charge
[l]
2.90
Oil type
POE32
Type of lubrication
Splash lubrication
Net weight
[kg]
132.00

Electrical data

Power supply
400V/3Ph/50Hz
Maximum operating current
[A]
38.4
Locked rotor amperage
[A]
87.5
Locked rotor amperage, DOL
[A]
136.2
Maximum motor frequency
[Hz]
87
Minimum motor frequency
[Hz]
25
Nominal motor power for 50 Hz
[kW]
14.91
Nominal motor power for 50 Hz
[HP]
20.00
Motor connection
PWS

Dimensions

Suction valve diameter (SV)
[inch]
1 5/8
Suction valve diameter (SV)
[mm]
42.0
Discharge valve diameter (DV)
[inch]
1 1/8
Discharge valve diameter (DV)
[mm]
28.6
Length
[mm]
550
Height
[mm]
405
Width
[mm]
405

Other

Approved refrigerants
R22, R134a, R404A, R407A, R407C, R407F, R448A, R449A, R450A, R452A, R507, R513A
Capacity control
None, Step (option), Inverter (option)

Performance

Invalid data supplied. Correct them and try again.
Performance
Evaporation
Condensation

Cooling capacity [kW]

Evaporation temperature [°C]
Condensation temperature [°C]
 
-40
-35
-30
-25
-20
-15
-10
-5
0
5
7.5
55
13.24
17.04
21.47
26.70
32.90
40.27
44.44
50
8.46
11.67
15.30
19.49
24.39
30.18
37.00
45.05
49.58
45
3.98
6.83
9.93
13.38
17.33
21.91
27.29
33.62
41.07
49.79
54.68
40
5.18
8.13
11.39
15.07
19.33
24.31
30.15
37.03
45.09
54.49
59.74
35
6.40
9.43
12.83
16.74
21.31
26.67
32.98
40.40
49.07
59.15
64.75
30
7.61
10.71
14.25
18.38
23.24
28.99
35.76
43.72
53.01
63.76
69.71
25
8.81
11.96
15.64
19.98
25.14
31.26
38.49
46.99
56.89
68.30
74.61
20
9.99
13.18
16.98
21.53
26.98
33.48
41.17
50.20
60.70

Power consumption [kW]

Evaporation temperature [°C]
Condensation temperature [°C]
 
-40
-35
-30
-25
-20
-15
-10
-5
0
5
7.5
55
10.94
12.38
13.86
15.33
16.75
18.08
18.69
50
8.25
9.44
10.72
12.07
13.42
14.74
15.99
17.12
17.62
45
6.18
7.05
8.07
9.21
10.42
11.66
12.89
14.05
15.11
16.03
16.42
40
6.00
6.86
7.85
8.93
10.05
11.18
12.27
13.27
14.14
14.84
15.11
35
5.80
6.64
7.59
8.60
9.64
10.64
11.58
12.41
13.08
13.56
13.71
30
5.60
6.42
7.32
8.26
9.19
10.07
10.86
11.50
11.97
12.21
12.24
25
5.43
6.22
7.07
7.92
8.74
9.49
10.11
10.57
10.82
10.82
10.71
20
5.31
6.06
6.84
7.60
8.31
8.91
9.36
9.62
9.65

Application range

Legend

  • With additional header cooling
  • Without cooling
  • Current operating conditions

Reference conditions - suction gas temperature: 20°C, subcooling: 0 K.

Dimensions

Symbols

1 High pressure connection 1/8" NPT
2 Low pressure connection 1/4" NPT
3 Oil charge plug 1/4" GAS
4 Oil level sight glass -
5 Crankcase heater seat -
6 Oil drain plug M10 x 30
7 Liquid injection plug 1/4" NPT
8 Liquid injection sensor plug 1/8" NPT
12 Oil return plug 1/4" NPT
13 Magnetic plug 1/2" GAS
14 Max. discharge temperature sensor connection 1/8" NPT
16 Crankcase pressure plug 1/4" NPT

 

DV Discharge valve  
SV Suction valve  
NP Nameplate  

Compressor dimensions

Dimension A
[mm]
550
Dimension B
[mm]
405
Dimension C
[mm]
405
Dimension D
[mm]
292
Dimension E
[mm]
266

Valves position

Dimension F
[mm]
147
Dimension G
[mm]
115
Dimension H
[mm]
61
Dimension L
[mm]
133
Dimension M
[mm]
298
Dimension N
[mm]
23

Related products

Downloads

Standard (A-Z) reciprocating compressors catalog
Catalogue, [7.1 MB]
Frascold
05-2024
EN
Standard (A-Z) reciprocating compressors installation manual
Technical documentation, [6.6 MB]
Frascold
03-2024
EN
Standard (A-Z) ATEX reciprocating compressors installation manual
Technical documentation, [2.4 MB]
Frascold
07-2022
EN
RSH & CC head assembly manual
Technical documentation, [9.4 MB]
Frascold
03-2024
EN
Oil specification for compressors
Technical documentation, [265.8 KB]
Frascold
02-2025
EN
Standard (A-Z) reciprocating compressors Declaration of Conformity and incorporation
Declaration, [648.7 KB]
Frascold
EN
Standard (A-Z) ATEX reciprocating compressors Declaration of Conformity and incorporation
Declaration, [1.3 MB]
Frascold
EN
ISO: 9001 certificate
Certificate, [200.6 KB]
Frascold
10-2024
EN
Standard (A-Z) reciprocating compressors catalog
Catalogue, EN, Frascold, 05-2024, [7.1 MB]
Standard (A-Z) reciprocating compressors installation manual
Technical documentation, EN, Frascold, 03-2024, [6.6 MB]
Standard (A-Z) ATEX reciprocating compressors installation manual
Technical documentation, EN, Frascold, 07-2022, [2.4 MB]
RSH & CC head assembly manual
Technical documentation, EN, Frascold, 03-2024, [9.4 MB]
Oil specification for compressors
Technical documentation, EN, Frascold, 02-2025, [265.8 KB]
Standard (A-Z) reciprocating compressors Declaration of Conformity and incorporation
Declaration, EN, Frascold, [648.7 KB]
Standard (A-Z) ATEX reciprocating compressors Declaration of Conformity and incorporation
Declaration, EN, Frascold, [1.3 MB]
ISO: 9001 certificate
Certificate, EN, Frascold, 10-2024, [200.6 KB]

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